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Bluetti EB3A Overload issue - design cooling flaw

z_zk_z

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Jan 4, 2020
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It is recommended for every owner to connect a (less than) 600 watt load to their Bluetti EB3A AC output (i.e., UPS mode with AC on), and connect the unit to a residential 120-volt outlet (for at least 24 hours) in order to test and see if their unit shuts down and displays an overload message. There are several good reviews on YouTube about Bluetti EB3A, however it appears this unit has a design cooling flaw. I had my PC (85 watts) and a LED light (13 watts) connected to Bluetti EB3A AC outlets (i.e., UPS mode, AC on, DC off, with its battery at 100%), connected to residential outlet and after about 14 hours, I noticed the light bulb and PC both off and the Bluetti EB3A display showing "overload", AC off, and battery at 100%. I then turned-on the AC and unit turned its AC outlets back on, like nothing has happened. Bluetti EB3A app shows I have ARM v2062.03 and DSP v2056.10 firmware versions. My unit was purchased directly from Bluetti and it was received five days ago, and my room temperature is at 76 degrees Fahrenheit.
 

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